10 citations
,
January 2018 in “International journal of trichology” Eruptive vellus hair cysts are rare and often misdiagnosed, requiring biopsy for accurate diagnosis.
13 citations
,
October 2008 in “PubMed” Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
4 citations
,
November 2011 in “Archives of Dermatology” Hamilton scale imprecise, hair shaft diameter decreases, stem cell transplant regrows hair, ECP ineffective for alopecia areata universalis.
14 citations
,
January 1977 in “PubMed” The hair keratin variant is mostly found in Caucasians.
22 citations
,
December 2013 in “Molecular biology of the cell” ILK is essential for proper hair follicle development and structure.
2 citations
,
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Hairless mammals have genetic changes in both their protein-coding and regulatory sequences related to hair.
191 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
26 citations
,
September 2005 in “International Journal of Dermatology” Hair shape is determined by genetic, molecular, and cellular factors.
January 2013 in “Wool textile journal” March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.
6 citations
,
February 2013 in “Veterinary Dermatology” A young cat had a rare hair condition with twisted hair shafts but stayed healthy.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers made a detailed map of gene activity for different parts of human hair follicles to help create targeted hair disorder treatments.
5 citations
,
January 2023 in “Nature cell biology” A specific signal from hair cells controls the tightening of the surrounding muscle, which is necessary for hair shedding.
27 citations
,
June 1989 in “Journal of Medical Genetics” Hairy elbows may be linked to short stature, but the exact cause is unclear.
8 citations
,
March 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” The 14-3-3σ gene is essential for preventing hair loss.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
17 citations
,
December 1994 in “International Journal of Dermatology” Recognizing both trichostasis spinulosa and eruptive vellus hair cysts together is crucial for accurate diagnosis and treatment.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists created a detailed map of gene activity in different parts of human hair follicles.
14 citations
,
January 2021 in “Stem cell research & therapy” Human skin cells with stem-like features can help create new hair follicles and sebaceous glands when combined with other cells.
November 2025 in “Journal of Investigative Dermatology” Skin-associated cartilage cells can influence hair growth by altering specific signaling pathways.
Daily hair care may cause holes in hair fibers.
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
9 citations
,
January 2003 The evolution of mammal body hair remains a mystery.
36 citations
,
November 1990 in “The Journal of Dermatology” Dermal papillae enhance hair follicle growth and structure.
August 2013 in “International Wound Journal” Non-hairy skin cells might be used to regenerate hair, helping with baldness and skin wounds.
February 2026 in “Biomedicine & Pharmacotherapy” MLPH helps hair grow by activating IGF-1 signaling in hair cells.
23 citations
,
July 1994 in “Journal of Dermatological Science” Pili torti hair twists due to uneven outer root sheath cell development.
24 citations
,
November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
173 citations
,
August 2015 in “Developmental cell” The study identified unique genes in hair follicle cells and their environment, suggesting these genes help organize cells for hair growth.